High idle and runaway idle? Air leak? Any help ?
Moderator: Moderator
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- BMX
- Posts: 25
- Joined: Wed Jan 27, 2016 6:05 pm
- Location: Nassau county
High idle and runaway idle? Air leak? Any help ?
Engine hesitates, idols high and "runaway" then bogs out? Idle adjustment isn't doing anything? I'm thinking air is getting in? Any help in trouble shooting?
- Rip_City_Spree
- CB900F
- Posts: 1211
- Joined: Sun Jun 13, 2010 7:47 pm
Re: High idle and runaway idle? Air leak? Any help ?
Bike? motor? Stock? What modifications? Clean carb? Was it running prior to issue? Need more info if you want to get help
01 Elite SR
polini corsa
Polini 26mm Carb
Naraku intake
Naraku sport variator
Currently 5g rollers
zx trans
Arrow
red contra with yellow clutch springs.
RIP CITY
RIP NO MERCY KERSEY
polini corsa
Polini 26mm Carb
Naraku intake
Naraku sport variator
Currently 5g rollers
zx trans
Arrow
red contra with yellow clutch springs.
RIP CITY
RIP NO MERCY KERSEY
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- BMX
- Posts: 25
- Joined: Wed Jan 27, 2016 6:05 pm
- Location: Nassau county
Re: High idle and runaway idle? Air leak? Any help ?
Sorry 1986 Honda spree , carb just cleaned, turns over first kick...just idles super high or runs away....bogs out after a few "full throttles"...
- Wheelman-111
- Moderator
- Posts: 10683
- Joined: Wed Oct 22, 2008 5:09 pm
- Location: Deepinnaharta, Texas
Re: High idle and runaway idle? Air leak? Any help ?
Greetings:
I suspect a throttle slide issue. It must drop with ease to rest on the throttle stop screw. There is a groove in the slide and a nub in the slide bore. Any amount of force greater than the return spring will mangle both.
I suspect a throttle slide issue. It must drop with ease to rest on the throttle stop screw. There is a groove in the slide and a nub in the slide bore. Any amount of force greater than the return spring will mangle both.
Wheelman-111
Most of my money is spent on scooterparts. The rest is just wasted.
"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
Most of my money is spent on scooterparts. The rest is just wasted.
"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
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- BMX
- Posts: 25
- Joined: Wed Jan 27, 2016 6:05 pm
- Location: Nassau county
Re: High idle and runaway idle? Air leak? Any help ?
Thank you for your response!! I'll check
That tomorrow! And keep you in the loop!! I'm alittke frustrated now lol and it's raining hard
That tomorrow! And keep you in the loop!! I'm alittke frustrated now lol and it's raining hard
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- Elite
- Posts: 349
- Joined: Mon Feb 01, 2016 11:04 pm
- Location: beaverton, or
Re: High idle and runaway idle? Air leak? Any help ?
Perhaps ur air box came loose, sounds like extra air to me, try turning air screw all the way in the 0.5 turn out, that should choke it quite a bit, if that helps you have an air leak.
2000 Honda SR (purple swurp)
corsa
naruku
polini 21 cp 36/106 pod filter
polini vari 5.5 gram
zx trans
Polini evo2 clutch/bell yellow springs (slacked) yellow contra
Yasuni C16
stock crank/gears=wheelie machine
70 mph/12,470 rpm Trail tech vapor verified
corsa
naruku
polini 21 cp 36/106 pod filter
polini vari 5.5 gram
zx trans
Polini evo2 clutch/bell yellow springs (slacked) yellow contra
Yasuni C16
stock crank/gears=wheelie machine
70 mph/12,470 rpm Trail tech vapor verified
Re: High idle and runaway idle? Air leak? Any help ?
If you took the carb off how did the carb spacer look? Is that oring going okay? Mine was flattened out at one point pretty bad. Like the other user said, airbox is a big problem with the spree. Without an good filter and what not. if not runs bad.
1993 ch80, swapped with a ch250
2021 DRZ400sm
2021 DRZ400sm

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- BMX
- Posts: 25
- Joined: Wed Jan 27, 2016 6:05 pm
- Location: Nassau county
Re: High idle and runaway idle? Air leak? Any help ?
Thank you! The carb and 0ring looked good...I'm going to check it out again today, double check the hoses etcetc